Vessels and Vessel Improvements - Schedule of Vessel Acquisitions and Sales (Details) $ in Thousands	1 Months Ended			12 Months Ended
	May 31, 2023 USD ($) t	Feb. 28, 2023 USD ($) t	Nov. 30, 2022 USD ($) t	Dec. 31, 2023 USD ($) t	Dec. 31, 2022 USD ($)	Dec. 31, 2021 USD ($)	Jul. 31, 2023 t	Mar. 31, 2023 USD ($) t	Aug. 31, 2022 USD ($) t
Property, Plant and Equipment [Line Items]
Dwt (in thousands) | t				3,160,000
Advances for vessel purchases				$ 0	$ 3,638
Gain on sale of vessel				19,731	9,308	$ 3,966
Jaeger
Property, Plant and Equipment [Line Items]
Gain on sale of vessel				3,300
Cardinal
Property, Plant and Equipment [Line Items]
Gain on sale of vessel					$ 9,300
Montauk Eagle, Newport Eagle, and Sankaty Eagle
Property, Plant and Equipment [Line Items]
Disposal group, total consideration				49,800
Gain on sale of vessel				$ 16,400
Maritime Equipment | Sankaty Eagle
Property, Plant and Equipment [Line Items]
Dwt (in thousands) | t							58,000.0
Maritime Equipment | Newport Eagle
Property, Plant and Equipment [Line Items]
Dwt (in thousands) | t	58,000.0
Maritime Equipment | Montauk Eagle
Property, Plant and Equipment [Line Items]
Dwt (in thousands) | t	58,000.0
Maritime Equipment | Jaeger
Property, Plant and Equipment [Line Items]
Dwt (in thousands) | t								52,500
Total consideration, sale								$ 9,000
Maritime Equipment | Cardinal
Property, Plant and Equipment [Line Items]
Dwt (in thousands) | t									55,400
Total consideration, sale									$ 15,800
Maritime Equipment | Halifax Eagle
Property, Plant and Equipment [Line Items]
Dwt (in thousands) | t	63,700
Total consideration, purchase	$ 30,100
Maritime Equipment | Vancouver Eagle
Property, Plant and Equipment [Line Items]
Dwt (in thousands) | t	63,700
Total consideration, purchase	$ 30,100
Maritime Equipment | Gibraltar Eagle
Property, Plant and Equipment [Line Items]
Dwt (in thousands) | t		63,600
Total consideration, purchase		$ 24,300
Maritime Equipment | Tokyo Eagle
Property, Plant and Equipment [Line Items]
Dwt (in thousands) | t			61,200
Total consideration, purchase			$ 27,500